diff --git a/backend/data/readme.txt b/backend/data/readme.txt
new file mode 100644
index 0000000..af1c39d
--- /dev/null
+++ b/backend/data/readme.txt
@@ -0,0 +1 @@
+docker dir for backend files (db, documents, etc.)
\ No newline at end of file
diff --git a/backend/open_webui/data/readme.txt b/backend/open_webui/data/readme.txt
new file mode 100644
index 0000000..7902100
--- /dev/null
+++ b/backend/open_webui/data/readme.txt
@@ -0,0 +1 @@
+pip install dir for backend files (db, documents, etc.)
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index ae350df..8fc800f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,8 @@ datasets>=2.13.1
 Pillow>=9.4.0
 pytesseract>=0.3.10
 python-docx>=0.8.11
-PyPDF2>=3.0.1
+pypdf
+PyPDF2
 huggingface-hub>=0.16.4
 numpy
 peft